Keywords

#nine-point_stencil

Nine-point stencil

Numerical analysis method

In numerical analysis, given a square grid in two dimensions, the nine-point stencil of a point in the grid is a stencil made up of the point itself together with its eight "neighbors". It is used to write finite difference approximations to derivatives at grid points. It is an example for numerical differentiation. This stencil is often used to approximate the Laplacian of a function of two variables.

Wed 18th

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Nine-point stencil Five-point stencil Stencil (numerical analysis) Discrete Laplace operator Non-compact stencil V. Compact stencil Direct3D Higher-order compact finite difference scheme Banksy
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